ClinVar Miner

Submissions for variant NM_000419.5(ITGA2B):c.245dup (p.Gly83fs)

dbSNP: rs2143491610
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ClinGen Platelet Disorders Variant Curation Expert Panel, ClinGen RCV001580235 SCV001809872 pathogenic Glanzmann thrombasthenia 2021-08-17 reviewed by expert panel curation The ITGA2B frameshift variant NM_000419.5:c.245dup is expected to introduce a premature termination codon 20 amino acids downstream (p.Gly83ArgfsTer20) in exon 2/30 and the resulting mRNA product is predicted to be susceptible to nonsense mediated decay, leading to loss of normal protein function. This variant has been observed in homozygosity in one individual with a phenotype specific for Glanzmann's thrombasthenia (GT) (GT06, PMID: 16463284). Furthermore, this variant is absent from population databases. In summary, this variant meets criteria to be classified as pathogenic for GT. GT-specific criteria applied: PVS1, PP4_moderate, PM2_supporting, and PM3_supporting.

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